Olfactory dysfunction is common in Parkinson's disease (PD) and often predates the
diagnosis by years, reflecting early deposition of Lewy pathology, the histologic hallmark of …

Decreased olfactory function is very common in the older population, being present in over
half of those between the ages of 65 and 80 years and in over three quarters of those over …

Abstract Purpose of Review The sense of smell is today one of the focuses of interest in
aging and neurodegenerative disease research. In several neurodegenerative diseases …

Olfactory dysfunction is a common and early symptom of many neurodegenerative diseases,
particularly of Parkinson's disease and other synucleinopathies, Alzheimer's disease (AD) …

Olfactory capacity declines with aging, but increasing evidence shows that smell dysfunction
is one of the early signs of prodromal neurodegenerative diseases such as Alzheimer's and …

Parkinson's disease (PD) is a progressive neurodegenerative disease characterized by
movement dysfunction due to selective degeneration of dopaminergic neurons in the …

Abstract Parkinson's disease (PD), the second most common neurodegenerative disorder,
affects 1–2% of humans aged 60 years and older. The diagnosis of PD is based on motor …

Parkinson's disease (PD) is the second most common neurodegenerative disorder. The
majority of cases do not arise from purely genetic factors, implicating an important role of …

Parkinson's disease (PD) is a prevalent neurodegenerative disorder that affects 7-10 million
individuals worldwide. A common early symptom of PD is olfactory dysfunction (OD), and …

A number of neurodegenerative diseases are accompanied by disordered smell function.
The degree of dysfunction can vary among different diseases, such that olfactory testing can …